NEW
Font size
S
M
L
XL
WorksheetsOceanography Review
Total questions: 21
Worksheet time: 15mins
Name
Class
Date
1.
What causes surface currents to move in circular paths?
a)
strong winds
b)
the Coriolis effect
c)
salinity
d)
the Global Ocean Conveyor
2.
Deep currents are caused by differences in the _______________ ocean water.
a)
eutrophication of
b)
sun's effect on
c)
density of
d)
salinity of
3.
The effect of Earth’s rotation on the direction of winds and currents is called the _______________ .
a)
La Niña
b)
El Niño
c)
Coriolis effect
d)
Currents
4.
Which of the following is caused by differences in ocean water density?
a)
surface currents
b)
deep currents
c)
waves
d)
Coriolis effect
5.
Upwelling is associated with
a)
a decrease in access to nutrients for phytoplankton
b)
cooler, nutrient-rich waters being pushed up from deeper ocean waters
c)
temperature gradients moving water from the equator to the poles
d)
an increase in human fatalities
6.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
7.
Cold ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Either Pole
8.
A measure of the amount of dissolved salts in a given amount of liquids is called:
a)
salinity
b)
density
c)
deflection
d)
upwelling
9.
A measure of how much mass is contained in a given unit of volume (=mass/volume) is called:
a)
salinity
b)
density
c)
current
d)
thermohaline
10.
A movement of ocean water that follows a regular pattern is called a/an:
a)
Coriolis Effect
b)
continental deflection
c)
ocean current
d)
global winds
11.
A horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean’s surface is called:
a)
ocean current
b)
deep current
c)
convection current
d)
surface current
12.
A streamlike movement of ocean water far below the surface is called:
a)
deep current
b)
surface current
c)
upwelling
d)
density
13.
Any movement of matter that results in differences in density; may be vertical, circular, or cyclical is called:
a)
surface current
b)
deep current
c)
upwelling
d)
convection current
14.
The movement of deep, cold, and nutrient-rich water to the surface is called:
a)
surface current
b)
upwelling
c)
deep current
d)
ocean current
15.
What three things affect surface currents?
a)
coriolis effect, deep currents, upwelling
b)
upwelling, continental deflections, salinity
c)
coriolis effect, continental deflections, global winds
d)
global winds, the equator, deep currents
16.
How do deep currents form?
a)
Changes in density (salinity and temp.) cause surface water to be less dense and sink
b)
Changes in surface winds cause surface water to be more dense and sink
c)
Changes in density (salinity and temp.) cause surface water to be more dense and sink
d)
Changes in density (salinity and temp.) cause surface water to be more dense and rise
17.
Explain the importance of upwelling to ocean life.
a)
brings nutrients from the deep ocean to the surface
b)
it allows animals to find new homes
c)
causes density changes that circulate temperature
d)
brings nutrients from the surface to the deep ocean
18.
The density of ocean water depends on what two factors?
a)
temperature and global winds
b)
temperature and nutrients
c)
salinity and upwelling
d)
salinity and temperature
19.
What happens to particles as they are heated?
a)
move faster and farther apart
b)
become more dense
c)
more slower and closer together
d)
they sink
20.
How do particles move as they are cooled?
a)
faster and farther apart
b)
slower and become less dense
c)
slower and closer together
d)
faster and become more dense
21.
How do salinity and temperature affect the density of ocean water?
a)
salinity increase = density increase, temp decrease = density increase
b)
salinity decrease = density increase, temp. decrease = density decrease
c)
salinity increase = density increase, temp increase = density increase
d)
salinity decrease = density increase, temp increase = density increase
Reset
